🐍 Snake
"A snake in the grass"
Meaning
A secret enemy who pretends to be a friend.
About the snake
Snakes are cast as deceptive and dangerous in folklore, which is why their idioms describe betrayal or hidden threats.
Example sentence
He smiled at everyone, but later we learned he was a snake in the grass.
Test yourself
Which idiom means...
A secret enemy who pretends to be a friend.